Verified on 14 August 2026 at the city's official website (ville.deux-montagnes.qc.ca). Enter your price for the exact amount, bracket by bracket.
$
$
The duty applies to the higher of the two.
Transfer duty payable
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Bracket by bracket
Buying a plex?
The welcome tax is one line of the bill.
Plexmeter also computes your mortgage payment on the Canadian semi-annual compounding rule, your real monthly cash flow, the coverage ratio your lender will demand, and the price above which the building stops carrying itself.
The taxable base is the highest of the price paid, the consideration stated in the deed, or the assessment roll value multiplied by the 1.12 comparative factor for 2026. In Deux-Montagnes that factor above 1 can push the base above the price paid — a common surprise at the notary.